Home / 13,025,644.41-17,975,417.10-7,145,326.95

Finding the Fourth Proportional to 13,025,644.41, 17,975,417.10 and 7,145,326.95

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Solution

The fourth proportional to 13,025,644.41, 17,975,417.10 and 7,145,326.95 is: 9,860,566.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,025,644.41 : 17,975,417.10 = 7,145,326.95 : x
  2. Step 2: Convert to fraction form
    13,025,644.41/17,975,417.10 = 7,145,326.95/x
  3. Step 3: Cross multiply
    13,025,644.41x = 17,975,417.10 × 7,145,326.95
  4. Step 4: Simplify right side
    13,025,644.41x = 128,440,232,270,184.75
  5. Step 5: Solve for x
    x = 128,440,232,270,184.75/13,025,644.41
  6. Step 6: Final answer
    x = 9,860,566.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.